PDP 효율 및 생산성 향상을 위한 공정단순화 기술Process TAC Time Reduction Technology for Improving the Efficiency and Throughput of the PDP
- Other Titles
- Process TAC Time Reduction Technology for Improving the Efficiency and Throughput of the PDP
- Authors
- 권상직
- Issue Date
- 2013
- Publisher
- 한국반도체디스플레이기술학회
- Keywords
- Plasma display panel; MgO evaporation; Vacuum sealing; High throughput; TAC time reduction
- Citation
- 반도체디스플레이기술학회지, v.12, no.2, pp.45 - 50
- Journal Title
- 반도체디스플레이기술학회지
- Volume
- 12
- Number
- 2
- Start Page
- 45
- End Page
- 50
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/15497
- ISSN
- 1738-2270
- Abstract
- This paper focuses on the fundamental issues for improving the efficiency and throughput of the AC PDP (Plasma Display Panel) manufacturing. The properties of the MgO protective layer affect the PDP efficiency. Especially, the secondary electron emission efficiency was affected on the deposition rate of MgO during the evaporation. In this study, the deposition rate of 5 Å/s has given the maximum efficiency value of 0.05 It is demonstrated that the impurity gases such as H2O, CO2, CO or N2, and O2 can be remained inside the PDP panel before sealing and the amount of the impurity gases decreased rapidly as the base vacuum level increased, especially near 10-5 torr. The fundamental solution in order to overcome these problems is the vacuum in-line sealing process from the MgO evaporation to the final sealing of the panel without breaking the vacuum. We have demonstrated this fundamental process technology and shown the feasibility. The firing voltage was reduced down to 285 V at the base vacuum value of 10-6 torr, whreras it was about 328 V at the base vacuum value of 10-3 torr.
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